En dropdown box i min formmailer?

Hvem kan hjælp mig med en form mailer så den kan hente fra en dropdown box. informationen skal komme sammen med meddelses teksten.

if (isset($_POST['sendmessage'])) {
    $mailname = stripinput($_POST['mailname']);
    $email = stripinput($_POST['email']);
    if ($mailname == "") {
        $error .= "· <span class='alt'>".LAN_420."</span><br>\n";
    }
    if ($email == "") {
        $error .= "· <span class='alt'>".LAN_421."</span><br>\n";
    }
    if ($_POST['subject'] == "") {
        $error .= "· <span class='alt'>".LAN_422."</span><br>\n";
    }
    if ($_POST['message'] == "") {
        $error .= "· <span class='alt'>".LAN_423."</span><br>\n";
    }
    if (!$error) {
        $subject = stripslashes($_POST['subject']);
        $message = stripslashes($_POST['message']);
        sendemailfrom($mailname, $email, $subject, $message);
        opentable(LAN_400);
        echo "<center><br>
".LAN_440."<br><br>
".LAN_441."</center><br>\n";
        closetable();
    } else {
        opentable(LAN_400);
        echo "<center><br>
".LAN_442."<br><br>
$error<br>
".LAN_443."</center><br>\n";
        closetable();
    }
} else {
    opentable(LAN_400);
    echo LAN_401."<br><br>
<form name='userform' method='post' action='$PHP_SELF'>
<table align='center' width='100%' cellspacing='0' cellpadding='0' class='tbl'>
<tr>
<td width='90'>".LAN_402."</td>
<td><input type='text' name='mailname' maxlength='64' class='textbox' style='width: 200px;'></td>
</tr>
<tr>
<td width='90'>".LAN_403."</td>
<td><input type='text' name='email' maxlength='128' class='textbox' style='width: 200px;'></td>
</tr>
<tr>
<td width='90'>".LAN_404."</td>
<td><input type='text' name='subject' maxlength='32' class='textbox' style='width: 200px;'></td>
</tr>
<tr><td valign='top' width='90'>".LAN_405."</td>
<td><textarea name='message' rows='10' class='textbox' style='width: 320px'></textarea></td>
</tr>
<tr>
<td colspan='2'><div align='center'>
<input type='submit' name='sendmessage' value='".LAN_406."' class='button'></div>
</td>
</tr>
</table>
</form>\n";